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@ret1n4

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ret1n4

CTF HISTORY

No CTFs participated.

WRITEUPS

WRITEUPCREATED AT
Writeup for AlpacaHack Round 5 (Crypto) (all solved)
en
NNNN

3 months ago

Writeup for AlpacaHack Round 8 (Rev) (all solved)
en
vcipher

3 months ago

Writeup for AlpacaHack Round 4 (Rev) (all solved)
en
Everything Silver

3 months ago

SOLVED CHALLENGES

CHALLENGESOLVES

SOLVED AT

Faulty AES
Crypto
tkbctf5

62 solves

last month

Parallel and Buffet
Web
tkbctf5

57 solves

last month

javajail
Misc
tkbctf5

56 solves

last month

Secure Gate
Web
tkbctf5

70 solves

last month

Patisserie
Web
tkbctf5

98 solves

last month

Simple Crackme
Rev
tkbctf5

55 solves

last month

BINARY IN THE FUTURE.
Rev
tkbctf5

70 solves

last month

README.pdf
Rev
tkbctf5

150 solves

last month

Single Hint RSA
Crypto
tkbctf5

120 solves

last month

Animal Viewer
Web
Daily AlpacaHack

155 solves

2 months ago

The World
Misc
Daily AlpacaHack

195 solves

2 months ago

Magic Engine
Web
Daily AlpacaHack

274 solves

2 months ago

No JS
Web
Daily AlpacaHack

133 solves

2 months ago

misdirection
Rev
Daily AlpacaHack

165 solves

2 months ago

read-a-binary
Rev
Daily AlpacaHack

231 solves

2 months ago

RRe_Time_Limiter
Crypto
Daily AlpacaHack

180 solves

2 months ago

Substance
Crypto
Daily AlpacaHack

244 solves

2 months ago

shellcode-101
Pwn
Daily AlpacaHack

139 solves

2 months ago

HellCouple
Crypto
Daily AlpacaHack B-SIDE

71 solves

2 months ago

Linear Coffee Generator
Crypto
Daily AlpacaHack

115 solves

2 months ago

Bashrunner
Misc
Daily AlpacaHack

122 solves

2 months ago

Stateless Auth
Web
Daily AlpacaHack

170 solves

2 months ago

Paca Paca Authenticator
Crypto
Daily AlpacaHack

129 solves

2 months ago

git gc
Misc
Daily AlpacaHack

156 solves

2 months ago

ToyPQC
Crypto
Daily AlpacaHack

108 solves

2 months ago

dockerstack
Misc
Daily AlpacaHack

181 solves

2 months ago

Jackpot
Web
AlpacaHack Round 11 (Web)

163 solves

2 months ago

only-read
Pwn
RTACTF 2023 Spring

22 solves

2 months ago

read-write
Pwn
RTACTF 2023 Spring

41 solves

2 months ago

Hat Trick
Crypto
AlpacaHack Round 3 (Crypto)

66 solves

2 months ago

Reused-AES
Crypto
RTACTF 2023 Spring

33 solves

2 months ago

write
Pwn
RTACTF 2023 Spring

85 solves

2 months ago

1R-AES
Crypto
RTACTF 2023 Spring

17 solves

2 months ago

before-write
Pwn
RTACTF 2023 Spring

162 solves

2 months ago

Collision-DES
Crypto
RTACTF 2023 Spring

37 solves

2 months ago

XOR-CBC
Crypto
RTACTF 2023 Spring

77 solves

2 months ago

Short Writer
Pwn
Daily AlpacaHack

124 solves

2 months ago

system-v
Rev
Daily AlpacaHack

118 solves

2 months ago

ChaChaCha
Crypto
Daily AlpacaHack

157 solves

2 months ago

dice roll
Web
Daily AlpacaHack

202 solves

2 months ago

Base Length
Misc
Daily AlpacaHack

157 solves

2 months ago

miniblog++
Web
zer0pts CTF 2022

11 solves

3 months ago

zundamon
RevForensics
CakeCTF 2022

7 solves

3 months ago

kiwi
Rev
CakeCTF 2022

9 solves

3 months ago

EDDH
Crypto
zer0pts CTF 2022

6 solves

3 months ago

luau
Rev
CakeCTF 2022

34 solves

3 months ago

dreamland
Rev
zer0pts CTF 2022

3 solves

3 months ago

brand new crypto
Crypto
CakeCTF 2022

25 solves

3 months ago

CakeGEAR
Web
CakeCTF 2022

81 solves

3 months ago

Modern Rome
Pwn
zer0pts CTF 2022

24 solves

3 months ago

frozen cake
Crypto
CakeCTF 2022

71 solves

3 months ago

GitFile Explorer
Web
zer0pts CTF 2022

48 solves

3 months ago

service
Rev
zer0pts CTF 2022

8 solves

3 months ago

Anti-Fermat
Crypto
zer0pts CTF 2022

30 solves

3 months ago

qrackv
Rev
SECCON CTF 13 Quals

2 solves

3 months ago

Treasure Hunt
Web
AlpacaHack Round 7 (Web)

271 solves

3 months ago

Tidal wave
Crypto
SECCON CTF 13 Quals

5 solves

3 months ago

Alpaca Poll
Web
AlpacaHack Round 7 (Web)

129 solves

3 months ago

seqr
Crypto
SECCON CTF 13 Quals

2 solves

3 months ago

Pico Note 1
Web
AlpacaHack Round 2 (Web)

81 solves

3 months ago

Trillion Bank
Web
SECCON CTF 13 Quals

14 solves

3 months ago

Jump
Rev
SECCON CTF 13 Quals

7 solves

3 months ago

dual_summon
Crypto
SECCON CTF 13 Quals

9 solves

3 months ago

reiwa_rot13
Crypto
SECCON CTF 13 Quals

29 solves

3 months ago

Five Alpacas
Crypto
Daily AlpacaHack

198 solves

3 months ago

Jerr0-day
Crypto
AlpacaHack Round 13 (Crypto)

15 solves

3 months ago

Jerry's flag checker
Crypto
AlpacaHack Round 13 (Crypto)

33 solves

3 months ago

Broadcasting NTRU
Crypto
AlpacaHack Round 5 (Crypto)

11 solves

3 months ago

SchnorrLCG
Crypto
AlpacaHack Round 5 (Crypto)

23 solves

3 months ago

RSARSARSARSARSARSA
Crypto
AlpacaHack Round 12 (Crypto)

79 solves

3 months ago

echo
Pwn
AlpacaHack Round 1 (Pwn)

358 solves

3 months ago

Equivalent Privacy Wired
Crypto
AlpacaHack Round 9 (Crypto)

9 solves

3 months ago

subway
Rev
AlpacaHack Round 8 (Rev)

16 solves

3 months ago

CaaS
Web
AlpacaHack Round 2 (Web)

93 solves

3 months ago

Simple Login
Web
AlpacaHack Round 2 (Web)

612 solves

3 months ago

vcipher
Rev
AlpacaHack Round 8 (Rev)

29 solves

3 months ago

free-comment
Misc
Daily AlpacaHack

152 solves

3 months ago

RSAMPC
Crypto
AlpacaHack Round 9 (Crypto)

35 solves

3 months ago

Basic Buffer Overflow
Pwn
Daily AlpacaHack

186 solves

3 months ago

crazython
Rev
Daily AlpacaHack

189 solves

3 months ago

SwapSwap
Misc
Daily AlpacaHack

289 solves

3 months ago

RSA2026
Crypto
Daily AlpacaHack

209 solves

3 months ago

secret-table
Web
Daily AlpacaHack

274 solves

3 months ago

jailiaj
Misc
Daily AlpacaHack

283 solves

3 months ago

Square RSA
Crypto
Daily AlpacaHack

235 solves

3 months ago

Encoding Basics
MiscCrypto
Daily AlpacaHack

324 solves

3 months ago

super-tomato
Crypto
Daily AlpacaHack

394 solves

3 months ago

Fushigi Crawler
Web
Daily AlpacaHack

347 solves

3 months ago

Ruby Flag Checker
Rev
Daily AlpacaHack

291 solves

3 months ago

I wanna be the Admin
Web
Daily AlpacaHack

285 solves

3 months ago

Rotten Beef
Pwn
Daily AlpacaHack

205 solves

3 months ago

108
Misc
Daily AlpacaHack

296 solves

3 months ago

cat3
Misc
Daily AlpacaHack

222 solves

3 months ago

Log Viewer
Web
Daily AlpacaHack

227 solves

3 months ago

simpleoverwrite
Pwn
SECCON Beginners CTF 2024

198 solves

3 months ago

cha-ll-enge
Rev
SECCON Beginners CTF 2024

159 solves

3 months ago

RBG
Crypto
Daily AlpacaHack

124 solves

3 months ago

alloc-101
Pwn
Daily AlpacaHack

218 solves

3 months ago

Xmas Login
Web
Daily AlpacaHack

358 solves

3 months ago

login-bonus
Pwn
Daily AlpacaHack

256 solves

3 months ago

Useful Machine
Rev
Daily AlpacaHack

159 solves

3 months ago

omikuji
Web
Daily AlpacaHack

250 solves

3 months ago

power_obfus_royalty
Rev
Daily AlpacaHack

210 solves

3 months ago

🐈
Web
Daily AlpacaHack

315 solves

3 months ago

one-p-rsa
Crypto
Daily AlpacaHack

234 solves

3 months ago

Fully Padded RSA
Crypto
Daily AlpacaHack

239 solves

3 months ago

Alpaca Bank
Web
Daily AlpacaHack

334 solves

3 months ago

Twilight
Rev
Daily AlpacaHack

231 solves

3 months ago

RSA debug?
Crypto
Daily AlpacaHack

193 solves

3 months ago

Sugoi Flag Checker
Rev
Daily AlpacaHack

207 solves

3 months ago

Flag Printer 2100
Rev
Daily AlpacaHack

249 solves

3 months ago

Safe Prime
Crypto
SECCON Beginners CTF 2024

256 solves

3 months ago

size limit
Crypto
Daily AlpacaHack

323 solves

3 months ago

simpleoverflow
Pwn
SECCON Beginners CTF 2024

511 solves

3 months ago

Integer Writer
Pwn
Daily AlpacaHack

329 solves

3 months ago

hit-and-miss
Misc
Daily AlpacaHack

388 solves

3 months ago

Read Assembly
Rev
Daily AlpacaHack

315 solves

3 months ago

Leaked Flag Checker
Rev
Daily AlpacaHack

573 solves

3 months ago

Emojify
Web
Daily AlpacaHack

597 solves

3 months ago

a fact of CTF
Crypto
Daily AlpacaHack

891 solves

3 months ago

AlpacaHack 2100
Misc
Daily AlpacaHack

1660 solves

3 months ago

I2C Device
Rev
AlpacaHack Round 4 (Rev)

10 solves

3 months ago

hidden
Rev
AlpacaHack Round 8 (Rev)

71 solves

3 months ago

A Dance of Add and Mul
Crypto
AlpacaHack Round 3 (Crypto)

74 solves

3 months ago

masking tape
Rev
AlpacaHack Round 8 (Rev)

174 solves

3 months ago

Everything Silver
Rev
AlpacaHack Round 4 (Rev)

26 solves

3 months ago

Simple Flag Checker
Rev
AlpacaHack Round 4 (Rev)

127 solves

3 months ago

pytecode
Rev
AlpacaHack Round 4 (Rev)

26 solves

3 months ago

XorshiftStream
Crypto
AlpacaHack Round 5 (Crypto)

65 solves

3 months ago

NNNN
Crypto
AlpacaHack Round 5 (Crypto)

50 solves

3 months ago

Rainbow Sweet Alchemist
Crypto
AlpacaHack Round 3 (Crypto)

124 solves

3 months ago

qrime
Crypto
AlpacaHack Round 3 (Crypto)

255 solves

3 months ago